Warm Up2-7-14 1.What is STP? 2. How much space does 1 mole of hydrogen gas occupy at STP? 3. How many torr is in 5 atm? 4. Convert 30 Celsius to Kelvin.

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Presentation on theme: "Warm Up2-7-14 1.What is STP? 2. How much space does 1 mole of hydrogen gas occupy at STP? 3. How many torr is in 5 atm? 4. Convert 30 Celsius to Kelvin."— Presentation transcript:

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Warm Up What is STP? 2. How much space does 1 mole of hydrogen gas occupy at STP? 3. How many torr is in 5 atm? 4. Convert 30 Celsius to Kelvin. Agenda -Pick up binders (40pts) -Notes Chp 12-3 (gas laws) -WS The gas law Homework Quiz next class

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Boyles Law Think about why this is true: –Pressure is caused by gas molecules hitting the container –If the volume of the container is decreased, the same number of gas molecules are moving in a much smaller area & will hit the container more often

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Boyles Law: Example 1 A sample of oxygen gas has a volume of 150 mL when its pressure is atm. What will the volume of the gas be at a pressure of atm? Given: V 1 = 150 mL P 1 = atm P 2 = atm Find: V2V2V2V2